XM radio supported by AOL for Mac users! ....and it's free! There's about 235-240 stations or so of about every genre you can think of, even several sub-genre groups, even some stations have 24/7 songs from the most popular artist. Download the .dmg and just log-in using your AIM account or open a new AOL or AIM account. If you don't have an AIM or AOL screen name just click "Click here to get one FREE" Enjoy!
http://radaol-prod-web-rr.streamops.aol.com/radio/radioclient/usbb/html/macSorry.htmlJust click on "Click here to download the current AOL Radio for Mac client" and your all set!
Also, check out under preferences in AOL Radio you can change the background display color, use ichat status message to show your friends what song your listening to, and when a song ends look for the "wigit"...showing the album cover...kinda cool.
~mesa